How much does a 1.00 to 1.49ct I VVS1 natural radiant diamond cost?

As of September 2026, 1.00 to 1.49ct I VVS1 natural radiant diamonds typically cost $2,534 SGD to $7,241 SGD, with a median price of $3,942 SGD. There are currently 446 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 radiant diamond?

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1.00 to 1.49ct I VVS1 Natural Radiant

Quick answer

As of September 2026, there are 446 natural radiant diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,534 SGD to $7,241 SGD, with a median of $3,942 SGD. At least 57 retailers stock this exact specification. Half of all listings fall between $3,295 SGD and $5,079 SGD per carat. The same specification in lab grown form lists at a median of about $992 SGD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Radiant natural stones in the index: 2,765 USD per carat, +6.0% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

446

Lowest Price

$1,853 SGD

Highest Price

$42,875 SGD

Average Price

$4,501 SGD

Market Intelligence

Retailers Selling

Price Spread

44.3%

Price Range

Price per carat distribution across retailers

$3,168/ct

10th Percentile

$2,195

Median

$3,168

90th Percentile

$4,973

Score Distribution

446 diamonds scored across 4 quality tiers

Excellent

96 (21.5%)

Very Good

91 (20.4%)

Good

144 (32.3%)

Average

115 (25.8%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

J VVS1J colour is visually identical to I to the naked eye

Save 27%

Lab-Grown I VVS1Same specifications, lab-grown origin

Save 75%

Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1